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No other graphic examples by this jewish artist are known besides these 2 matching etchings of a monkey tree probably seen in one of the major zoo’s  (Rotterdam Blijdorp, Brussels or Amsterdam Artis Zoo. March 2024 the etching on the left was acquired in this collection. The only other examples found are of her career as award winning (1913) sculptrice: see her short biography in the accompanying this collection book (Artist Lexicon).